Lower top knife type paper cutting machine

Abstract

The utility model discloses a lower top knife type paper cutting machine which is characterized in that two side box bodies are connected through a connecting rod and a base, a fixed knife mounting plate and a supporting plate are further arranged on the upper portion between the side box bodies, a fixed knife is arranged on the lower surface of the fixed knife mounting plate through a first locking bolt, and first grooves are formed in bent plates at the two ends of the supporting plate; the two ends of the supporting plate are fixedly connected with the side box body through bent plates and positioning bolts, the upper surface of the connecting rod is provided with a discharging inclined plate through a support, the gear motor is arranged on the upper surface of the connecting rod and connected with a first connecting ring at one end of the connecting arm through a Z-shaped crank, the swing arm is hinged to the inner wall of the side box body on the corresponding side, and a protruding shaft is arranged on one side of the swing arm. According to the utility model, the structure is reasonable, compared with the structure of an upper knife switch, the space is saved, and compared with the structure of a knife roll, the condition of incomplete cutting can be avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to paper cutting equipment technical field, concretely is a lower top knife formula paper cutting machine. BACKGROUND

[0002] Automatic cutting machine is used for the segmentation and cutting of sheet material of various trades, it does not need any mould, through system software to control, then directly cutting the product, and the paper cutting machine can carry out slitting treatment to the paper after processing.

[0003] The traditional paper cutting machine mostly adopts the structure of drum cutter or gate knife, the drum cutter is prone to incomplete cutting, and the gate knife paper cutting machine occupies a large space in the upper part of the machine, therefore, an improved technology is urgently needed to solve the problem existing in the prior art. UTILITY MODEL CONTENT

[0004] The utility model discloses a lower top knife formula paper cutting machine, adopts the structure of lower top knife, and the lower top knife realizes up-down movement through the cooperation of reduction motor, Z-shaped crank, connecting arm and swing arm, saves space compared with the structure of upper gate knife, and the structure of cutter roller will not appear the condition of incomplete cutting, to solve the problem raised in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme: a lower top knife formula paper cutting machine, including frame, push mechanism and lower top knife assembly;

[0006] The frame includes side box, connecting rod and base, the side box is two and is connected through the connecting rod and base, the inner side of the upper part of the side box is provided with triangular protective casing, the upper part between the side box is provided with traction roller, the top of the side box and the upper part of traction roller are provided with guide frame, the top of guide frame is provided with air cylinder, the piston rod of air cylinder is connected with sliding block, the sliding block is slidably arranged in guide frame, the sliding block is connected with the corresponding end of compression roller, the compression roller is located directly above traction roller and cooperates with traction roller, the upper part between the side box is also provided with fixed knife mounting plate and supporting plate, the lower surface of fixed knife mounting plate is provided with fixed knife through first locking bolt, the supporting plate is arranged below the fixed knife, the both ends of supporting plate are provided with bent plate, the bent plate is provided with first recess, the both ends of supporting plate are fastened with the side box through bent plate and positioning bolt, the positioning bolt is arranged in first recess, the upper surface of connecting rod is provided with support, the top of support is connected with the lower surface of discharge inclined plate, the both ends of discharge inclined plate are provided with second recess;

[0007] The pushing mechanism is symmetrically arranged in the frame, and comprises a reduction motor, a connecting arm and a swing arm, the reduction motor is arranged on the upper surface of the connecting rod, the output shaft of the reduction motor is connected with one end of the Z-shaped crank, the connecting arm is provided with a first connecting ring and a second connecting ring at two ends, the first connecting ring is rotatably connected with the end of the Z-shaped crank away from the output shaft of the reduction motor, the swing arm is hingedly connected with the inner wall of the corresponding side box body, the upper part of the swing arm is movably arranged in the triangular protective shell, the swing arm is also movably arranged in the second groove of the discharging inclined plate, the swing arm is in one-to-one correspondence with the connecting arm, one side of the swing arm is provided with a convex shaft, and the convex shaft is rotatably connected with the second connecting ring of the connecting arm.

[0008] The lower knife assembly comprises a lower knife seat and a lower knife, the lower knife seat is connected with the swing arm at two ends, the lower knife is fastened and connected with the lower knife seat through the second locking bolt, the lower knife is arranged in an inclined manner, the top of the lower knife is a blade, and the blade of the lower knife is matched with the blade of the fixed knife.

[0009] Preferably, the side box body is further connected with an extension rod, and one end of the extension rod away from the side box body is connected with an inlet turning roller.

[0010] Preferably, the base is provided with a plurality of supporting legs.

[0011] Preferably, the bracket is provided with a through hole, and the output shaft of the reduction motor is arranged in the through hole of the corresponding bracket.

[0012] Preferably, one end of the traction roller is driven by a servo motor, and the servo motor is arranged in the corresponding side box body.

[0013] Compared with the prior art, the paper cutting machine has the advantages that:

[0014] (1) The structure of the lower knife is adopted, the lower knife is moved up and down through the cooperation of the reduction motor, the Z-shaped crank, the connecting arm and the swing arm, the space is saved compared with the structure of the upper knife, and the cutting is not incomplete compared with the structure of the knife roller.

[0015] (2) The bending plate at two ends of the supporting plate is provided with a first groove, the positioning bolt is matched with the first groove, the height of the supporting plate can be adjusted, so that the distance between the supporting plate and the fixed knife can be adjusted according to the hardness or thickness of the paper, the distance is ensured to be suitable, and the cutting deviation of the paper is avoided.

[0016] (3) the top of the connecting rod is provided with a discharging inclined plate through a support, and the discharging inclined plate is matched so as to facilitate the guidance and collection of the cut paper. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structural schematic view of the utility model;

[0018] Figure 2 It is an enlarged structural schematic view of the mark A in the middle; Figure 1

[0019] Figure 3 It is a sectional structural schematic view of the utility model;

[0020] Figure 4 It is an enlarged structural schematic view of the mark B in the middle; Figure 3

[0021] Figure 5 It is a structural schematic view of the utility model located at the pushing mechanism.

[0022] In the drawing: side box body 1, connecting rod 2, base 3, triangular protective shell 4, traction roller 5, guide frame 6, air cylinder 7, sliding block 8, compression roller 9, fixed cutter mounting plate 10, supporting plate 11, first locking bolt 12, fixed cutter 13, bending plate 14, first recess 15, positioning bolt 16, support 17, discharging inclined plate 18, second recess 19, speed reducer motor 20, connecting arm 21, swing arm 22, Z-shaped crank 23, first connecting ring 24, second connecting ring 25, convex shaft 26, lower top cutter seat 27, lower top cutter 28, second locking bolt 29, extension rod 30, feeding deflection roller 31, supporting leg 32. DETAILED DESCRIPTION

[0023] The technical solutions of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without making creative efforts belong to the protection scope of the utility model;

[0024] It should be noted that in the description of the utility model, it should be noted that the terms "inner", "outer", "upper", "lower", "two sides", "one end", "the other end", "left", "right" and the like indicate the orientation or position relationship shown in the drawing, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0025] Please refer to Figures 1-5 ​​The utility model provides a technical scheme: a lower top knife formula paper cutting machine, including frame, push up mechanism and lower top knife subassembly,

[0026] Frame includes side box 1, connecting rod 2 and base 3, and side box 1 has two and is connected through connecting rod 2 and base 3, and base 3 is provided with a plurality of support feet 32 to realize the fixation and support of the whole, the inner side of the upper portion of side box 1 is provided with triangular protective casing 4, the upper portion between side box 1 is provided with traction roller 5, one end of traction roller 5 is driven by servo motor, and servo motor is set in corresponding side box 1, is driven to traction roller 5 by servo motor to drive paper to advance, the top of side box 1 and the upper portion of traction roller 5 are provided with guide frame 6, the top of guide frame 6 is provided with cylinder 7, the piston rod of cylinder 7 is connected with sliding block 8, and sliding block 8 is slidably arranged in guide frame 6, and one end of sliding block 8 and compression roller 9 correspondingly is connected, and compression roller 9 is located just above traction roller 5 and cooperates with traction roller 5, the upper portion between side box 1 is also provided with fixed knife mounting plate 10 and supporting plate 11, the lower surface of fixed knife mounting plate 10 is provided with fixed knife 13 through first locking bolt 12, supporting plate 11 is arranged below fixed knife 13, the both ends of supporting plate 11 are provided with bent plate 14, first recess 15 is formed in bent plate 14, the both ends of supporting plate 11 are fastened with side box 1 through bent plate 14 and positioning bolt 16, and positioning bolt 16 is arranged in first recess 15, the upper surface of connecting rod 2 is provided with support 17, the top of support 17 is connected with the lower surface of discharge inclined plate 18, second recess 19 is formed in the both ends of discharge inclined plate 18, and side box 1 is also connected with extension rod 30, one end of extension rod 30 away from side box 1 is connected with feeding deflection roller 31, and feeding deflection roller 31 is used to facilitate the deflection of paper feeding,

[0027] Push up mechanism is two symmetrically arranged in frame, and push up mechanism includes reduction motor 20, connecting arm 21 and swing arm 22, reduction motor 20 is arranged on the upper surface of connecting rod 2, the output shaft of reduction motor 20 is connected with one end of Z-shaped crank 23, the both ends of connecting arm 21 are provided with first connecting ring 24 and second connecting ring 25, one end of Z-shaped crank 23 away from the output shaft of reduction motor 20 is rotatably connected with first connecting ring 24, swing arm 22 is hinged with the inner wall of corresponding side box 1, swing arm 22 is movably arranged in triangular protective casing 4, swing arm 22 is also movably arranged in the second recess 19 of discharge inclined plate 18, swing arm 22 corresponds to connecting arm 21, one side of swing arm 22 is provided with convex shaft 26, convex shaft 26 is rotatably connected with second connecting ring 25 of connecting arm 21, support 17 is provided with through hole, and the output shaft of reduction motor 20 is arranged in the through hole of corresponding support 17 to realize that Z-shaped crank 23 is connected with connecting arm 21 just,

[0028] The lower top knife assembly comprises a lower top knife seat 27 and a lower top knife 28, the lower top knife seat 27 is connected with the swing arm 22 at both ends respectively, the lower top knife 28 is fastened and connected with the lower top knife seat 27 through the second locking bolt 29, the lower top knife 28 is arranged obliquely, the top of the lower top knife 28 is a blade, and the blade of the lower top knife 28 cooperates with the blade of the fixed knife 13.

[0029] Working method and use principle: firstly, the height of the supporting plate 11 is adjusted according to the softness and thickness of the paper, and then the positioning bolt 16 is tightened to fix the position of the supporting plate 11. Then the paper is guided by the feeding turning roller 31 and enters the rack, is supported by the supporting roller, and then the height of the pressure roller 9 is controlled by controlling the height of the sliding block 8 controlled by the air cylinder 7, so that the pressure roller 9 is pressed between the paper clamped between the pressure roller 9 and the traction roller 5, then the paper is supported on the supporting plate 11 and sent out a distance, the paper is moved to the discharge inclined plate 18, the servo motor stops traction, at this time, the two reduction motors 20 are started at the same time, drive the corresponding Z-shaped crank 23 to rotate, the Z-shaped crank 23 drives the connecting arm 21 to lift, thereby driving the swing arm 22 to swing up and down, when the swing arm 22 rises, the lower top knife 28 cooperates with the fixed knife 13, thereby cutting off the paper, and the cut paper falls along the discharge inclined plate 18 and is collected. Next, repeat the above action to complete the cutting of the paper. The utility model has the advantages of reasonable structure, the structure of the lower top knife 28, the lower top knife 28 moves up and down through the cooperation of the reduction motor 20, the Z-shaped crank 23, the connecting arm 21 and the swing arm 22, which saves space compared with the structure of the upper knife, and the structure of the cutter roller will not appear the situation that cutting is not complete; at the same time, the bending plate 14 at both ends of the supporting plate 11 is provided with the first groove 15, the positioning bolt 16 cooperates with the first groove 15, the height of the supporting plate 11 can be adjusted, so that the distance between the supporting plate 11 and the fixed knife 13 can be adjusted according to the hardness or thickness of the paper, so that the distance is suitable to avoid the situation that the paper is cut and deviated; at the same time, the discharge inclined plate 18 is arranged at the top of the connecting rod 2 through the support 17, and the cooperation of the discharge inclined plate 18 facilitates the guidance and collection of the cut paper.

[0030] The parts not described in the utility model are the known technology of the person skilled in the art.

[0031] Finally, it should be pointed out that: the above specific embodiments are only used to illustrate the technical scheme of the utility model and are not limited, although the utility model is described in detail with reference to the embodiments, the person skilled in the art should understand that the technical scheme of the utility model can be modified and replaced equivalently without departing from the spirit and scope of the technical scheme of the utility model, and they should be covered in the claim range of the utility model.

Claims

1. A down-knife paper cutting machine characterized by: The machine frame, the pushing mechanism and the lower top knife assembly are included. The machine frame includes side boxes (1), connecting rods (2) and bases (3), the side boxes (1) are two and connected through the connecting rods (2) and the bases (3), the inner sides of the upper parts of the side boxes (1) are provided with triangular protective housings (4), the upper parts between the side boxes (1) are provided with traction rollers (5), the top parts of the side boxes (1) and above the traction rollers (5) are provided with guide frames (6), the top ends of the guide frames (6) are provided with air cylinders (7), the piston rods of the air cylinders (7) are connected with sliding blocks (8), the sliding blocks (8) are slidingly arranged in the guide frames (6), the sliding blocks (8) are connected with corresponding ends of compression rollers (9), the compression rollers (9) are located directly above the traction rollers (5) and cooperated with the traction rollers (5), the upper parts between the side boxes (1) are further provided with fixed knife mounting plates (10) and supporting plates (11), the lower surfaces of the fixed knife mounting plates (10) are provided with fixed knives (13) through first locking bolts (12), the supporting plates (11) are arranged below the fixed knives (13), the two ends of the supporting plates (11) are provided with bent plates (14), the bent plates (14) are provided with first grooves (15), the two ends of the supporting plates (11) are fastened with the side boxes (1) through the bent plates (14) and positioning bolts (16), the positioning bolts (16) are arranged in the first grooves (15), the upper surfaces of the connecting rods (2) are provided with supports (17), the top ends of the supports (17) are connected with the lower surfaces of discharge inclined plates (18), the two ends of the discharge inclined plates (18) are provided with second grooves (19); The pushing mechanism is symmetrically arranged in the machine frame, the pushing mechanism includes reduction motors (20), connecting arms (21) and swing arms (22), the reduction motors (20) are arranged on the upper surfaces of the connecting rods (2), the output shafts of the reduction motors (20) are connected with one ends of Z-shaped cranks (23), the two ends of the connecting arms (21) are provided with first connecting rings (24) and second connecting rings (25), the one end of the Z-shaped crank (23) away from the output shaft of the reduction motor (20) is rotatably connected with the first connecting ring (24), the swing arms (22) are hingedly connected with the inner walls of the corresponding side boxes (1), the upper parts of the swing arms (22) are movably arranged in the triangular protective housings (4), the swing arms (22) are further movably arranged in the second grooves (19) of the discharge inclined plates (18), the swing arms (22) are one-to-one corresponding with the connecting arms (21), one side of the swing arms (22) is provided with a convex shaft (26), the convex shaft (26) is rotatably connected with the second connecting ring (25) of the connecting arm (21). The lower top knife assembly comprises a lower top knife seat (27) and a lower top knife (28), the lower top knife seat (27) is connected with the swing arm (22) at both ends respectively, the lower top knife (28) is fastened and connected with the lower top knife seat (27) through the second locking bolt (29), the lower top knife (28) is arranged obliquely, the top of the lower top knife (28) is a blade, and the blade of the lower top knife (28) is matched with the blade of the fixed knife (13).

2. A down-knife paper cutting machine according to claim 1, characterized in that: The side box body (1) is also connected with an extension rod (30), and the extension rod (30) is connected with a feeding deflection roller (31) at one end away from the side box body (1).

3. A down-knife paper cutting machine according to claim 1, characterized in that: The base (3) is provided with a plurality of supporting legs (32).

4. A down-knife paper cutting machine according to claim 1, characterized in that: The support (17) is provided with a through hole, and the output shaft of the speed reducer motor (20) is arranged in the through hole of the corresponding support (17).

5. A down-knife paper cutting machine according to claim 1, characterized in that: One end of the traction roller (5) is driven by a servo motor, and the servo motor is arranged in the corresponding side box body (1).

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